dev: add pull request image build workflow (#5235)

.github/workflows/build-package.yml

@@ -0,0 +1,102 @@
+name: Build Package
+
+on:
+  workflow_call:
+    inputs:
+      tag:
+        required: true
+        type: string
+
+jobs:
+  build-frontend:
+    name: Build frontend
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout 🛎
+        uses: actions/checkout@v4
+
+      - name: Setup node env 🏗
+        uses: actions/setup-node@v4.0.0
+        with:
+          node-version: 16
+          check-latest: true
+
+      - name: Get yarn cache directory path 🛠
+        id: yarn-cache-dir-path
+        run: echo "dir=$(yarn cache dir)" >> $GITHUB_OUTPUT
+
+      - name: Cache node_modules 📦
+        uses: actions/cache@v4
+        id: yarn-cache # use this to check for `cache-hit` (`steps.yarn-cache.outputs.cache-hit != 'true'`)
+        with:
+          path: ${{ steps.yarn-cache-dir-path.outputs.dir }}
+          key: ${{ runner.os }}-yarn-${{ hashFiles('**/yarn.lock') }}
+          restore-keys: |
+            ${{ runner.os }}-yarn-
+
+      - name: Install dependencies 👨🏻‍💻
+        run: yarn
+        working-directory: "frontend"
+
+      - name: Run Build 🚚
+        run: yarn generate
+        working-directory: "frontend"
+
+      - name: Archive built frontend
+        uses: actions/upload-artifact@v4
+        with:
+          name: frontend-dist
+          path: frontend/dist
+          retention-days: 5
+
+  build-package:
+    name: Build Python package
+    needs: build-frontend
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Install Task
+        uses: arduino/setup-task@v2
+        with:
+          version: 3.x
+          repo-token: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Check out repository
+        uses: actions/checkout@v4
+
+      - name: Set up python
+        uses: actions/setup-python@v5
+        with:
+          python-version: "3.12"
+
+      - name: Install Poetry
+        uses: snok/install-poetry@v1
+        with:
+          virtualenvs-create: true
+          virtualenvs-in-project: true
+          plugins: |
+            poetry-plugin-export
+
+      - name: Retrieve built frontend
+        uses: actions/download-artifact@v4
+        with:
+          name: frontend-dist
+          path: mealie/frontend
+
+      - name: Override __init__.py
+        run: |
+          echo "__version__ = \"${{ inputs.tag }}\"" > ./mealie/__init__.py
+
+      - name: Build package and requirements.txt
+        env:
+          SKIP_PACKAGE_DEPS: true
+        run: |
+          task py:package
+
+      - name: Archive built package
+        uses: actions/upload-artifact@v4
+        with:
+          name: backend-dist
+          path: dist
+          retention-days: 5